package com.example.getip;

import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.net.InetAddress;
import java.text.SimpleDateFormat;
import java.util.Date;

/**
 * @Author: Painter
 * @project_name: getIP
 * @system_login: sunshine
 * @time: 2023/10/517:20
 */

@RestController
public class MyController {

    @RequestMapping("/")
    public String getIpAddr(HttpServletRequest request) {
//        String ipAddress = null;
//        try {
//            ipAddress = request.getHeader("x-forwarded-for");
//            if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
//                ipAddress = request.getHeader("Proxy-Client-IP");
//            }
//            if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
//                ipAddress = request.getHeader("WL-Proxy-Client-IP");
//            }
//            if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
//                ipAddress = request.getRemoteAddr();
//                if (ipAddress.equals("127.0.0.1")) {
//                    // 根据网卡取本机配置的IP
//                    InetAddress inet = null;
//                    try {
//                        inet = InetAddress.getLocalHost();
//                    } catch (Exception e) {
//                        e.printStackTrace();
//                    }
//                    ipAddress = inet.getHostAddress();
//                }
//            }
//
//            // 对于通过多个代理的情况，第一个IP为客户端真实IP,多个IP按照','分割
//            if (ipAddress != null && ipAddress.length() > 15) { // "***.***.***.***".length()
//                // = 15
//                if (ipAddress.indexOf(",") > 0) {
//                    ipAddress = ipAddress.substring(0, ipAddress.indexOf(","));
//                }
//            }
//        } catch (Exception e) {
//            ipAddress = "";
//        }
        // ipAddress = this.getRequest().getRemoteAddr();


        String ipAddress = IpUtil.getIpAddr(request);

        String data = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date());
        System.out.println(data+"  Client IP address: " + ipAddress);
        return "Client IP address: " + ipAddress;
    }


}
